Mexican silver is Usually 90% silver and above (sterling is 92.5% silver 7.5% copper). However, if you mean a Mexican Onza coin, these are .999 pure silver and are priced by the current spot silver price. Currently silver is selling for about $13 an ounce, so a dealer would probably buy at $10-$11 and sell at $15-$16.
Silver is trading at about 28.50 an ounce. A half ounce of silver is worth about 14.25.
It is worth whatever 1 troy ounce of silver is worth. Today it is worth about $30, although the price of silver fluctuates.
A 2002 silver eagle is worth whatever one ounce of silver is worth. At the time of writing, an ounce of silver is worth about $22 and a silver eagle would be worth the same. However, silver fluctuates in price on a minute to minute basis.
That's a one ounce silver round. At present, silver is worth about $27/ounce.
One ounce of silver is around $27.35 at the time of writing, it depends on the spot price of silver which changes daily, or even hourly.
One ounce is worth approximately US$1,150 or 15,410 Mexican pesos.
The market price of silver fluctuates daily. As of 29 August 2012, silver is worth $30.75 per ounce.
Current market values for One Ounce Silver Eagles is about $17.00.
$29.46 per ounce as of 10:06 am 12-14-10
One ounce of silver is currently worth about $30.99
US$341.80 as of 12 December 2009 (with silver at $17.09 per troy ounce).
It varies depending on the rate of silver value. There is little to no collector value, so it is worth the bullion value of one ounce of silver.